I/O extension module - RAD-DI8-IFS

Radioline - I/O extension module, 8 digital inputs (0 ... 30.5 V DC) or 2 pulse inputs up to 100 Hz

This product needs further products for operation. Mandatory Accessories

Product Details

Utilization restriction
EMC note EMC: class A product, see manufacturer's declaration in the download area
Utilization restriction
CCCex note Use in potentially explosive areas is not permitted in China.

Product type Extension module
MTTF 1624 Years (SN 29500 standard, temperature 25°C, operating cycle 21%)
612 Years (SN 29500 standard, temperature 40°C, operating cycle 34.25%)
233 Years (SN 29500 standard, temperature 40°C, operating cycle 100%)
Insulation characteristics
Overvoltage category II
Degree of pollution 2

Electrical isolation 50 V (Rated insulation voltage (between the channel groups 1...4 and 5...8/TBUS supply, reinforced insulation according to EN 61010))
300 V (Rated insulation voltage (to adjacent devices, basic insulation in accordance with EN 61010))
Test voltage for digital I/Os 1.5 kV AC (50 Hz, 1 min.)
Maximum power dissipation for nominal condition 0.432 W
Transient surge protection Yes
Supply voltage range 19.2 V DC ... 30.5 V DC (DIN rail connector)
Max. current consumption ≤ 18 mA (At 24 V DC, at 25°C)

Max. current consumption < 1 mA
Description of the input Digital input
Number of inputs 8
Voltage input signal 0 V DC ... 30.5 V DC
Switching level "0" signal 0 V DC ... 4 V DC
Switching level "1" signal 10 V DC ... 30.5 V DC
Input frequency ≤ 10 Hz (Static mode)
Number of channels 2
Switching level "1" signal 10 V DC ... 30.5 V DC
Switching level "0" signal 0 V DC ... 4 V DC
Input frequency < 100 Hz (Pulse counter mode)
Pulse length ≥ 5 ms (Pulse/pause ratio 1:1)
Process data channel 32 Bit (per channel)

Connection method Screw connection
Stripping length 7 mm
Conductor cross section solid min. 0.2 mm²
Conductor cross section solid max. 2.5 mm²
Conductor cross section flexible min. 0.2 mm²
Conductor cross section flexible max. 2.5 mm²
Conductor cross section AWG min. 24
Conductor cross section AWG max. 14

Status display Green LED (supply voltage, PWR)
Green LED (bus communication, DAT)
Red LED (periphery error, ERR)
Green LED (counter mode, CNT)
Yellow LED (digital input, DI1)
Yellow LED (digital input, DI2)
Yellow LED (digital input, DI3)
Yellow LED (digital input, DI4)
Yellow LED (digital input, DI5)
Yellow LED (digital input, DI6)
Yellow LED (digital input, DI7)
Yellow LED (digital input, DI8)

Dimensional drawing
Width 17.5 mm
Height 113 mm
Depth 114.5 mm

Color green
Flammability rating according to UL 94 V0
Housing material PA 6.6-FR

Ambient conditions
Degree of protection IP20
Ambient temperature (operation) -40 °C ... 70 °C
-40 °F ... 158 °F
Ambient temperature (storage/transport) -40 °C ... 85 °C
-40 °F ... 185 °F
Altitude 2000 m
Permissible humidity (operation) 20 % ... 85 %
Permissible humidity (storage/transport) 20 % ... 85 %
Shock 16g, 11 ms
Vibration (operation) in accordance with IEC 60068-2-6: 5g, 10 Hz ... 150 Hz

Designation CE
Certificate CE-compliant
Designation EAC
Identification EAC
Designation ATEX
Identification  II 3 G Ex nA IIC T4 Gc
Certificate IBExU 15 ATEX B008 X
Note Please follow the special installation instructions in the documentation!
Designation IECEx
Identification Ex nA IIC T4 Gc
Certificate IECEx IBE 13.0019X
Designation EAC Ex
Identification 2Ex nA nC IIC T4 Gc X
Certificate RU C-DE.HB49.B.00033/20
Designation UL, USA / Canada
Identification 508 Listed
Class I, Div. 2, Groups A, B, C, D T4A
Class I, Zone 2, IIC T4
Designation Corrosive gas test
Identification ISA-S71.04-1985 G3 Harsh Group A

Electromagnetic compatibility Conformance with EMC Directive 2014/30/EU
Noise emission EN 61000-6-4
Noise immunity EN 61000-6-2

Standards/specifications EN 61000-6-2
Standards/specifications EN 61000-6-4
Standards/specifications EN 60079-0
Standards/specifications EN-60079-15

Mounting type DIN rail mounting
Assembly instructions on standard DIN rail NS 35 in accordance with EN 60715
Mounting position any

Item number 2901539
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key DNC61D
Product Key DNC61D
Catalog Page Page 381 (C-6-2019)
GTIN 4046356609159
Weight per Piece (including packing) 199 g
Weight per Piece (excluding packing) 168.7 g
Customs tariff number 85176290
Country of origin DE


ECLASS-9.0 27242604
ECLASS-10.0.1 27242604
ECLASS-11.0 27242604


ETIM 8.0 EC001599


UNSPSC 21.0 32151600

UL Listed

Approval ID: FILE E 238705

cUL Listed

Approval ID: FILE E 238705


Approval ID: RU*HB49.B00033/20


Approval ID: IECEx IBE 13.0019X

cUL Listed

Approval ID: FILE E 196811

UL Listed

Approval ID: FILE E 196811


Approval ID: IBExU 15 ATEX B008 X

cULus Listed

cULus Listed

REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 50 years
For information on hazardous substances, refer to the manufacturer’s declaration available under “Downloads”

Your advantages

Easy startup via thumbwheel
Channel-to-channel electrical isolation
Extended temperature range of -40 °C … +70 °C
Easy module replacement even during operation (hot swap)
8 digital inputs (0 V DC ... 30.5 V DC)
2 pulse inputs (0 ... 100 Hz)
Approved for use in zone 2